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1426655831 = 19112366863
BaseRepresentation
bin101010100001001…
…0000101001010111
310200102111121212212
41111002100221113
510410210441311
6353322104035
750232242306
oct12502205127
93612447785
101426655831
11672345707
1233994b01b
13199752563
14d769043d
15853acc8b
hex55090a57

1426655831 has 8 divisors (see below), whose sum is σ = 1503102720. Its totient is φ = 1350344952.

The previous prime is 1426655821. The next prime is 1426655837. The reversal of 1426655831 is 1385566241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426655831 - 26 = 1426655767 is a prime.

It is a super-2 number, since 2×14266558312 = 4070693720252601122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426655837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12095 + ... + 54768.

It is an arithmetic number, because the mean of its divisors is an integer number (187887840).

Almost surely, 21426655831 is an apocalyptic number.

1426655831 is a deficient number, since it is larger than the sum of its proper divisors (76446889).

1426655831 is a wasteful number, since it uses less digits than its factorization.

1426655831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68005.

The product of its digits is 172800, while the sum is 41.

The square root of 1426655831 is about 37771.0978262480. The cubic root of 1426655831 is about 1125.7442531377.

The spelling of 1426655831 in words is "one billion, four hundred twenty-six million, six hundred fifty-five thousand, eight hundred thirty-one".

Divisors: 1 19 1123 21337 66863 1270397 75087149 1426655831